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3 lut 2016 · I currently have a sql statement that outputs data into an excel document. However, every time there is a cell that doesn't have data, it outputs NULL into the cell. I was wondering if there was a way that I could replace NULL with just a blank space?
15 mar 2013 · CASE LEN(ISNULL(last_Name,'')) WHEN 0 THEN '' ELSE ' ' + last_name END AS newlastName LEN(ISNULL(last_Name,'')) measures the number of characters in that column, which will be zero whether it's empty, or NULL, therefore WHEN 0 THEN will evaluate to true and return the '' as expected.
11 lip 2012 · Yes - I did try CASE WHEN (ID IS NULL) THEN 'YES' ELSE 'NO' END AS ID_Value But I am looking for some other better approach something like IF(ID IS NULL, 'YES', 'NO') AS ID_Value in the Ms Sql, so that everything can be in a single line. Any suggestions please –
There are 3 possible ways to deal with nulls in expressions: using IsNull, Coalesce or CASE. I've explained these under separate headings below! The ISNULL Function. This function substitutes a given value when a column is null. The syntax is:
7 lis 2009 · The keyword 'Blank' doesn't exist, but one can speak of "blank cells" in Excel, which is consistent with the function to test for them: ISBLANK(). When Excel evaluates an expression with a blank cell, its value is determined by the context.
14 maj 2023 · In this article, we show you how you can check and test for null values in Power Query. This can be useful if you want to create a custom column and return a certain value if a cell is null, rather than replacing null values. We cover how you can easily mimic IsBlank and IsNull.
17 lis 2015 · SELECT ISNULL( DOB , '') Which will return '' if the value is NULL. A NULL date is NULL (no value). An empty string, on the other hand, evaluates to 0, which in SQL Server is implicitly an integer representing the number of days since 1900-01-01.
